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I have a div which contains a list. This list contains multiple drop-down elements. When the drop-down elements towards the bottom of the list are selected, the list expands in size to accommodate for these new elements. However, these elements are also hidden unless the user scrolls down to click on them. The preferred solution would be having the drop-down elements appear above all others on the list. However, attempting to do this through z-indexing and absolute/relative positioning doesn't appear to work no matter what combination I attempt. Is there any fix to this problem that I am missing?

A solution I am considering is using javascript to generate a similar drop-down menu above all the other divs. Unfortunately, I am not sure on how to begin doing this. If anyone has any ideas on how, please let me know.

I have a numpy array with 907 rows and 2 columns, the columns correspond to x and y coordinates respectively. I want to write a code that make lists of all the elements that have the same Y.
This is my code write now, I know it's wrong. Any help would be really appreciated.

import csv
import numpy as np
with open('Results.csv') as csvfile:
readCSV = csv.reader(csvfile,delimiter=',')
integers=np.array([list(map(int,x)) for x in readCSV]);
val=0
list_val=[]
for i in integers:
if i[1]==val:
list_val=i
val += 1

In my example xcoordinate[0]==xco0rdinate[4] and ycoordinate[0]==ycoordinate[4] So it write Match found.
They are pairwise data set. Like x[0],y[0] represent a point x[1],y[1] represent a point,x[2],y[2] represent a point.. so on. So as per my definition x[0],y[0] and x[4],y[4] represent same point.

Now I want to implement a checking like that. At first x[0] find match with x[1]. Then x[2] data will come as the loop iterate. Now x[2] looking for a match with x[1] and x[0], then in next iteration x[3] looking for match with with x[2],x[1],x[0] and so on. Same thing is happened for y data set.

But the problem with this code is it is check x[0] with x[1],then x[0] with x[2],then x[0] with x[3],then x[0] with x[4] and then finding a match and write down match found instead of checking x[0] with x[1] then x[2] with x[1],x[0] then x[3] with x[2],x[1],x[0] and so on. This intermediate checking are required because say there is a match between x[2]and x[3] that should be encounter.

I need to make this function run inside the script tags and return me a value that can be printed after the "Status" using, as parameter, the information provided from the first chunck of code ( "heroes.ts" )

Again, i'm sorry if i can't really explain that well, but i did my best

I'm having a problem, i want to check the routes just after the state of my application let it happen, i have that state saved on Redux and i want before any history.push() to check if the state of the application could allow it and do the change of route or not.

I have tried Prompt but that still let the users the decision of proceed or not. I want to forbidden it at all.

I was thinking about changing the definition of history push since it's defined in its self contained file: